[INFO] fetching crate ethereum-trie 0.5.0... [INFO] checking ethereum-trie-0.5.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] extracting crate ethereum-trie 0.5.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate ethereum-trie 0.5.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ethereum-trie 0.5.0 [INFO] finished tweaking crates.io crate ethereum-trie 0.5.0 [INFO] tweaked toml for crates.io crate ethereum-trie 0.5.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 24 packages [INFO] [stderr] Adding block-buffer v0.2.0 (latest: v0.10.4) [INFO] [stderr] Adding byte-tools v0.2.0 (latest: v0.3.1) [INFO] [stderr] Adding digest v0.6.1 (latest: v0.10.7) [INFO] [stderr] Adding elastic-array-plus v0.9.1 (latest: v0.10.0) [INFO] [stderr] Adding generic-array v0.8.4 (latest: v1.0.0) [INFO] [stderr] Adding lazy_static v0.2.11 (latest: v1.4.0) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding sha3 v0.6.0 (latest: v0.10.8) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ethereum-hexutil v0.2.3 [INFO] [stderr] Downloaded generic-array v0.8.4 [INFO] [stderr] Downloaded block-buffer v0.2.0 [INFO] [stderr] Downloaded elastic-array-plus v0.9.1 [INFO] [stderr] Downloaded ethereum-bigint v0.2.9 [INFO] [stderr] Downloaded ethereum-rlp v0.2.3 [INFO] [stderr] Downloaded digest v0.6.1 [INFO] [stderr] Downloaded sha3 v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0556d873d230e524f0250b2858aa746246b4c80c6d7aebea89810b908f8c4837 [INFO] running `Command { std: "docker" "start" "-a" "0556d873d230e524f0250b2858aa746246b4c80c6d7aebea89810b908f8c4837", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0556d873d230e524f0250b2858aa746246b4c80c6d7aebea89810b908f8c4837", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0556d873d230e524f0250b2858aa746246b4c80c6d7aebea89810b908f8c4837", kill_on_drop: false }` [INFO] [stdout] 0556d873d230e524f0250b2858aa746246b4c80c6d7aebea89810b908f8c4837 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 63e9e61bbf8957b6b4cf7074b6ac6289223f6226cdbe09a7629c2f1948b21cc0 [INFO] running `Command { std: "docker" "start" "-a" "63e9e61bbf8957b6b4cf7074b6ac6289223f6226cdbe09a7629c2f1948b21cc0", kill_on_drop: false }` [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking ethereum-hexutil v0.2.3 [INFO] [stderr] Checking byte-tools v0.2.0 [INFO] [stderr] Checking elastic-array-plus v0.9.1 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking generic-array v0.8.4 [INFO] [stderr] Checking digest v0.6.1 [INFO] [stderr] Checking block-buffer v0.2.0 [INFO] [stderr] Checking ethereum-rlp v0.2.3 [INFO] [stderr] Checking sha3 v0.6.0 [INFO] [stderr] Checking ethereum-bigint v0.2.9 [INFO] [stderr] Checking ethereum-trie v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] error: the item `rlp` is imported redundantly [INFO] [stdout] --> src/merkle/node.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | use rlp::{self, RlpStream, Encodable, Rlp, Prototype}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | extern crate rlp; [INFO] [stdout] | ----------------- the item `rlp` is already imported here [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:3:31 [INFO] [stdout] | [INFO] [stdout] 3 | #![deny(unused_import_braces, unused_imports, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: the item `rlp` is imported redundantly [INFO] [stdout] --> src/merkle/node.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | use rlp::{self, RlpStream, Encodable, Rlp, Prototype}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | extern crate rlp; [INFO] [stdout] | ----------------- the item `rlp` is already imported here [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:3:31 [INFO] [stdout] | [INFO] [stdout] 3 | #![deny(unused_import_braces, unused_imports, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: the item `rlp` is imported redundantly [INFO] [stdout] --> src/merkle/node.rs:161:15 [INFO] [stdout] | [INFO] [stdout] 161 | use rlp::{self, Rlp}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | extern crate rlp; [INFO] [stdout] | ----------------- the item `rlp` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type [INFO] [stdout] --> src/merkle/node.rs:63:55 [INFO] [stdout] | [INFO] [stdout] 63 | MerkleNode::Leaf(nibble.clone(), value.clone()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type [INFO] [stdout] --> src/ops/build.rs:12:54 [INFO] [stdout] | [INFO] [stdout] 12 | submap.insert(key[common_len..].into(), value.clone()); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type [INFO] [stdout] --> src/ops/build.rs:30:68 [INFO] [stdout] | [INFO] [stdout] 30 | return (MerkleNode::Leaf(key.clone(), map.get(key).unwrap().clone()), change); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type [INFO] [stdout] --> src/ops/build.rs:70:39 [INFO] [stdout] | [INFO] [stdout] 70 | .map(|(_key, value)| value.clone()); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ethereum-trie` (lib) due to 2 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type [INFO] [stdout] --> src/merkle/node.rs:63:55 [INFO] [stdout] | [INFO] [stdout] 63 | MerkleNode::Leaf(nibble.clone(), value.clone()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type [INFO] [stdout] --> src/ops/build.rs:12:54 [INFO] [stdout] | [INFO] [stdout] 12 | submap.insert(key[common_len..].into(), value.clone()); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type [INFO] [stdout] --> src/ops/build.rs:30:68 [INFO] [stdout] | [INFO] [stdout] 30 | return (MerkleNode::Leaf(key.clone(), map.get(key).unwrap().clone()), change); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type [INFO] [stdout] --> src/ops/build.rs:70:39 [INFO] [stdout] | [INFO] [stdout] 70 | .map(|(_key, value)| value.clone()); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ethereum-trie` (lib test) due to 3 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "63e9e61bbf8957b6b4cf7074b6ac6289223f6226cdbe09a7629c2f1948b21cc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63e9e61bbf8957b6b4cf7074b6ac6289223f6226cdbe09a7629c2f1948b21cc0", kill_on_drop: false }` [INFO] [stdout] 63e9e61bbf8957b6b4cf7074b6ac6289223f6226cdbe09a7629c2f1948b21cc0